<html><head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> </head> <body> Am 17.01.22 um 11:34 schrieb Somalapuram, Amaranath: <blockquote type="cite" cite="mid:779d4778-6b85-2769-f169-f5f9e956a671@amd.com"> [SNIP] Any suggestion how we can notify user space during this situation. </blockquote> Well trace points should work. They use a ring buffer and are specially made to work in such situations. Alternative would be to audit the udev code and allow giving a GFP mask to the function to make sure that we don't run into the deadlock. Another alternative is a debugfs file which just blocks for the next reset to happen. Regards, Christian. <blockquote type="cite" cite="mid:779d4778-6b85-2769-f169-f5f9e956a671@amd.com"> Regards, S.Amarnath </blockquote> </body> </html>